'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
1809
1797-1804
circa 1805
1808
1825
circa 1840
1827
1934
1832
1837
1826
1800-1830
circa 1800
1808
1893-4
1834
1834
1834
1821-1831
1825-1835
1829
1837
1837
1840
1810-1817
1837
1839
1812
1837
1822-1840
1803-1828
1835
1836
1806
1815
1807
2000-100 BCE
1801-1838
1815
1795-1805
1798
1797
1799-1802
1863-7
1810-1840
1833
1810-1840
1837
1838